Fort Supply, OK Weather & Growing Conditions
Tonight
42°F
Mostly Clear
Mostly clear, with a low around 42. West northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Wednesday | 66°F | Sunny | 6 mph WSW | 0% |
| Wednesday Night | 47°F | Partly Cloudy then Chance Showers And Thunderstorms | 7 mph SE | 34% |
| Thursday | 57°F | Rain Showers Likely | 7 to 13 mph N | 62% |
| Thursday Night | 38°F | Mostly Clear | 5 mph NNW | 0% |
| Friday | 60°F | Sunny | 3 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 2 mph S | 1% |
| Saturday | 64°F | Mostly Sunny | 3 mph W | 2% |
| Saturday Night | 41°F | Mostly Clear | 0 to 5 mph WSW | 1% |
| Sunday | 67°F | Sunny | 1 to 5 mph WSW | 1% |
| Sunday Night | 44°F | Clear | 1 to 9 mph SSW | 0% |
| Monday | 71°F | Sunny | 10 mph SSW | 0% |
| Monday Night | 47°F | Mostly Clear | 7 mph SW | 1% |
| Tuesday | 69°F | Mostly Sunny | 7 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Supply, OK
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
179 days
Hardiness zone
7a
Explore more for Fort Supply, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Ft Supply 3Se, Ok (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.